Patents by Inventor Matthew Spaunhorst

Matthew Spaunhorst has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • THERMAL SENSING BULB CONTAINING A BALLAST MATERIAL FOR AN EXPANSION VALVE
    Publication number: 20210381732
    Abstract: A thermal sensing bulb (102) for an expansion valve (104) in a refrigerant system, the bulb containing a ballast material (108), the ballast material including alumina. More particularly, the ballast material (108) includes alpha alumina, which may be in the form of a plurality of discrete particles having a desired surface area, particle size, and/or particle size distribution.
    Type: Application
    Filed: January 3, 2020
    Publication date: December 9, 2021
    Inventors: Debasis BANERJEE, Richard C. LARASH, Matthew SPAUNHORST, Adam P. HUGHES
  • Expansion valve
    Patent number: D855152
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: July 30, 2019
    Assignee: Parker-Hannifin Corporation
    Inventors: Matthew Spaunhorst, Chris Gorman, Donald Staten, Steve Merryman